Physics: four vectors

Physics
Tutor: None Selected Time limit: 1 Day

Feb 16th, 2015

Magnitude X comp Y comp
12 10.39230485 6
10 0 10
8 -6.92820323 4
4 0 -4
Sum 3.464101615 16

x component = magnitude * cos theta, Y component = magnitude * sin theta


Vector magnitude = sqrt(3.464^2+16^2) =16.37071 = 16.4

Angle = tan -1  ( 16/3.4641) = = 77.80

Answer: 16.4 : 77.80  ;  option A

Reference:

https://answers.yahoo.com/question/index?qid=20091016203908AAiGHiu


Feb 16th, 2015

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